Abstract: Objective: To observe the clinical effect of complete denture repair in the elderly patients with the old denture information. Methods: One hundred and thirty-two edentulous patients wearing old denture for more than 10 years were included and divided into two groups according to the age of the old denture. Experimental group: 66 cases were treated with polyether rubber according to the old denture; control group: making new dentures according to the conventional method. Results: Compared with the conventional method, the patients with full dentures made by the old denture were more adaptable and satisfactory. There were statistically significant differences in the masticatory efficiency and comfort satisfaction between two groups three days after wearing the new denture (P<0.05). Conclusion: It is necessary to make full use of old denture information to fabricate new denture to improve the satisfaction for elderly patients.

Key words: Complete denture, Repair , Satisfaction